Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Spor Mountain, Thomas Range, Juab Co., Utah, USA

Oldest recorded age at locality: 42
Youngest recorded age at locality: 6

mindat Locality ID: 37506
mindat URL: http://www.mindat.org/loc-37506.html

Tectonic Settings:

Total number of sublocalities beneath "Spor Mountain, Thomas Range, Juab Co., Utah, USA": 51
Total number of bottom-level sublocalities: 50

Number of Child Localities: 48
Child Localities:
Bell Hill Mine
Beryllium-bearing Tuffs
Blowout Mine
Blue Chalk Claim
Blue Queen Prospect
Claybank Claim
Dell Mine
Deposit No. 1
Deposit No. 2
Eagle Rock Prospect
Enid Occurrence
Evening Star Prospect
Floride Mine
Floride No. 5 Mine
Fluoride No. 1 Mine
Fluoride No. 13 Mine
Fluoride No. 18 Mine
Fluorine Queen Mine (East Pit Deposit)
Fluorine Queen No. 1 Mine (Middle Pit Deposit)
Fluorine Queen No. 2 Mine
Fluorine Queen No. 4 Prospect
Fluro Claim
Good Will (Yellow Chief Group)
Green Crystal Mine
Harrisite Mine (Hardscrabble No. 2 Claim)
Hilltop Mine
Hogsback Claim
Lost Sheep Mine (Purple Pit)
Lost Sheep Strip (Willden)
Lost Soul Prospect
Lucky Louie Mine
Marilyn; Barbara Billie Claims
Monitor Occurrence
Moody Beryllium Deposit (Horn Claims; Beryllium International Corp. Claims)
Nonella Prospect
Northend Claim
Prospector Prospect
Rainbow Claim
Rainbow No. 2 Prospect
Roadside Claim
Sigma Emma Mine
Spor Mountain Deposit (Brush Wellman Mine)
Tarus Claim (Taras)
Thursday Mine
Unknown Fluorine-Fluorite
Unknown Fluorine-Fluorite - Uranium Occurrence
Unnamed Fluorine-Fluorite Prospect
White Lock Lease

Latitude: 39°43'25"N
Longitude: 113°11'46"W
Decimal Degree (lat, lon): 39.723611111111,-113.19611111111
AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Al Be C Ca Cu F Fe H K Li Mg Mn Na O S Si U V 

Elements from minerals reported directly at this locality: Ca F H K Li Mg Na O Si U 

Structural Groups for minerals in this locality: 
AmorphousBerylCalciteChalcopyriteClayCorundumCristobaliteFeldsparFluoriteKaolinite
MalachiteMicaNoneNot in a structural groupPyriteQuartzRutileSmectite-vermiculiteSpinelTopaz

25 IMA Minerals at location:
Bertrandite  (*)Beryl  (*)Calcite  (*)Carnotite  (*)Chalcopyrite  (*)
Cristobalite  (*)Dolomite  (*)Fluorite  (*)Hectorite  (*)Hematite  (*)
Kaolinite  (*)Magnetite  (*)Malachite  (*)Montmorillonite  (*)Muscovite  (*)
Opal  (*)Uranophane-β  (*)Pyrite  (*)Pyrolusite  (*)Quartz  (*)
Sanidine  (*)Saponite  (*)Topaz  (*)Uranophane-α  (*)Weeksite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Bertrandite  (*)Not in a structural groupBe4Si2O7(OH)242622274494,274495,274496,274500,274508,274509,274510,274512,274513,274514,274515,274517,274519,274520,274528,274529,274531,274532,274533,274535,274536,274537606
Beryl  (*)BerylBe3Al2Si6O1842612745414286
Calcite  (*)CalciteCa(CO3)4266274493,274500,274503,274506,274518,27453727770
Carnotite  (*)NoneK2(UO2)2(VO4)2·3H2O42622274491,274493,274495,274499,274500,274503,274506,274508,274509,274510,274511,274512,274513,274514,274517,274518,274519,274521,274523,274524,274528,2745371184
Chalcopyrite  (*)ChalcopyriteCuFeS276127449127198
Cristobalite  (*)CristobaliteSiO24261274535453
Dolomite  (*)NoneCaMg(CO3)24266274508,274509,274510,274512,274513,2745309895
Fluorite  (*)FluoriteCaF242636274491,274493,274494,274495,274496,274498,274499,274500,274503,274505,274506,274507,274508,274509,274510,274511,274512,274513,274514,274515,274517,274518,274519,274520,274521,274523,274524,274528,274529,274531,274532,274533,274535,274536,274537,2745389617
Hectorite  (*)ClayNa0.3(Mg,Li)3Si4O10(F,OH)2·nH2O426019
Hematite  (*)CorundumFe2O34263274491,274493,27450614640
Kaolinite  (*)Clay KaoliniteAl2Si2O5(OH)442612744985591
Magnetite  (*)SpinelFe2+Fe3+2O4426127449114899
Malachite  (*)MalachiteCu2(CO3)(OH)276127450312537
Montmorillonite  (*)Clay Smectite-vermiculite(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O42616274491,274493,274494,274496,274499,274503,274507,274511,274514,274515,274518,274520,274529,274531,274533,2745361508
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2426127449817380
Opal  (*)AmorphousSiO2·nH2O42612745282994
Uranophane-β  (*)NoneCa(UO2)2(SiO3OH)2·5H2O4260144
Pyrite  (*)PyriteFeS2426127449139462
Pyrolusite  (*)RutileMnO27612745113106
Quartz  (*)QuartzSiO242622274491,274493,274494,274496,274498,274499,274500,274505,274511,274512,274515,274517,274519,274520,274521,274524,274528,274529,274531,274533,274535,27453661156
Sanidine  (*)FeldsparK(AlSi3O8)4261274505598
Saponite  (*)Clay Smectite-vermiculite(Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O4261274535301
Topaz  (*)TopazAl2SiO4F242612744991476
Uranophane-α  (*)NoneCa(UO2)2(SiO3OH)2·5H2O4261274532890
Weeksite  (*)None(K)2(UO2)2(Si5O13)·4H2O426042


5 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Scott-EPSL46_221-0001423942-39Fission TrackAge of deposition      37506Spor Mountain, Thomas Range, Juab Co., Utah, USASpor MountainLudwig et al. (1980)10.1016/0012-821X(80)90008-4EPSL46_221P. 222: "Lava flows, breccias, and tufts of rhyodacite to quartz latite composition were erupted from small central volcanoes and possibly from fissures 42-39 m.y. ago"
Scott-EPSL46_221-0002383738-37Fission TrackAge of deposition      37506Spor Mountain, Thomas Range, Juab Co., Utah, USASpor MountainLudwig et al. (1980)10.1016/0012-821X(80)90008-4EPSL46_221P. 222 "Eruption of rhyolitic Joy Tuff 38-37 m.y. ago was accompanied by collapse of the Dugway Valley cauldron followed by eruption of the Dell Tuff 32 m.y. ago"
Scott-EPSL46_221-0003323232Fission TrackAge of deposition      37506Spor Mountain, Thomas Range, Juab Co., Utah, USASpor MountainLudwig et al. (1980)10.1016/0012-821X(80)90008-4EPSL46_221P.222 "...followed by eruption of the Dell Tuff 32 m.y. ago"
Scott-EPSL46_221-0004212121Fission TrackAge of deposition      37506Spor Mountain, Thomas Range, Juab Co., Utah, USASpor MountainLudwig et al. (1980)10.1016/0012-821X(80)90008-4EPSL46_221P. 222 "Eruption of alkali rhyolite tuff and lava of the Spor Mountain Formation 21 m.y. ago"
Scott-EPSL46_221-0005767-6Fission TrackAge of deposition     Cu, Au, Mn37506Spor Mountain, Thomas Range, Juab Co., Utah, USASpor MountainLudwig et al. (1980)10.1016/0012-821X(80)90008-4EPSL46_221P. 222 " Eruption of alkali rhyolite tuff and lava of the Spor Mountain Formation 21 m.y. ago and the Topaz Mountain Rhyolite 7-6 m.y. ago"

SampleSource LocalityReference URL
R060889Northend Claim, Spor Mountain, Thomas Range, Juab Co., Utah, USAhttps://rruff.info/R060889

All locality data graciously provided by mindat.org

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